Quote Originally Posted by BigTruckDriver
How well will the epoxy take a new topcoat in the future? I am thinking it will be easier to spray it with por15 and top coat in a few weeks.

I was ready the directions for the DP epoxy and it says only 2 coats can be applied. This will be kinda hard to do because I am not trying to do a panel, I am trying to do the whole front end. So most of the areas will get hit 2-3-4 times and I dont know the paint will react and bubble or something? I think I will just save the epoxy and just spray the whole thing with por15

You may be misinterpreting what is stated. What they're saying is to make your application in 1 or 2 coats. Once cured you can recoat, as stated in the bulletin. Not sure why you're thinking it will take more than two coats at one spray sequence. Since you're going to be away for a while, if you're going to top coat after more than a week you'll only have to scuff the DP. Also note, contrary to what some may believe, under the "Application and Dry Times" section it addresses applying body filler over the DP. Even the roadsters.com discussion addresses scuffing epoxy primers to enhance mechanical adhesion of the body filler. As for it being a wasted step that's likely only a valid comment if you're able to do all the steps from metal prep to top coating within a matter of days. Doing as you've speculated, using DP (or any quality epoxy primer) to seal the bare metal until you can get around to it later, is a plausible reason for epoxying first.